Effect of Photogenerated Carriers on Ferroelectric Polarization Reversal

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著者

    • Weis Martin Weis Martin
    • Institute of Electronics and Photonics, Slovak University of Technology, Ilkovičova, Bratislava 81219, Slovakia
    • Li Jun Li Jun
    • Department of Physical Electronics, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
    • Manaka Takaaki
    • Department of Physical Electronics, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
    • Iwamoto Mitsumasa
    • Department of Physical Electronics, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan

抄録

Three non-symmetric switching peaks were observed in current--voltage (J--V) characteristic of the pentacene/poly(vinylidene fluoride-trifluoroethylene) double-layer device. However, upon illumination only two symmetric switching peaks appeared during the same J--V measurement. The similar difference between dark and illumination were also obtained in capacitance--voltage characteristics. These results showed the strong influence of internal fields by photogenerated carriers, which modifies the polarization reversal process of ferroelectric layer. The gradual shift of the polarization reversal with increase of illumination intensity is assigned to the space-charge field of trapped electrons.

収録刊行物

  • Applied physics express

    Applied physics express 4(12), 121601-121601-3, 2011-12-25

    The Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10030154029
  • NII書誌ID(NCID)
    AA12295133
  • 本文言語コード
    EN
  • 資料種別
    SHO
  • ISSN
    18820778
  • NDL 記事登録ID
    023385684
  • NDL 請求記号
    Z78-A526
  • データ提供元
    CJP書誌  NDL  JSAP 
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